BGS mineralogy and petrology collection record

Sample number S14782
Sample Donor Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above)
Rock name 'Original entry: Quartz-Dolerite'
Stratigraphy Not entered
Comments NW dyke, 8 ft (affinity to porphyrite); Memoir, p. 361
Locality details 200 yds W of Gortenbuie, Glen Cannel
50k map sheet Mull (44)

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Map reference NM 5910 3443
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S14782

Cross Polarized, S14782

Plane Polarized, S14782

Plane Polarized, S14782